// *************************************************************************************************************************** | |
// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file * | |
// * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file * | |
// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance * | |
// * with the License. You may obtain a copy of the License at * | |
// * * | |
// * http://www.apache.org/licenses/LICENSE-2.0 * | |
// * * | |
// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an * | |
// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the * | |
// * specific language governing permissions and limitations under the License. * | |
// *************************************************************************************************************************** | |
package org.apache.juneau.internal; | |
import java.text.*; | |
import org.apache.juneau.*; | |
/** | |
* Various utility methods for creating and working with throwables. | |
*/ | |
public class ThrowableUtils { | |
/** | |
* Throws an {@link IllegalArgumentException} if the specified object is <jk>null</jk>. | |
* | |
* @param o The object to check. | |
* @param msg The message of the IllegalArgumentException. | |
* @param args Optional {@link MessageFormat}-style arguments. | |
* @throws IllegalArgumentException Constructed exception. | |
*/ | |
public static void assertNotNull(Object o, String msg, Object...args) throws IllegalArgumentException { | |
if (o == null) | |
throw new FormattedIllegalArgumentException(msg, args); | |
} | |
/** | |
* Throws an {@link IllegalArgumentException} if the specified field is <jk>null</jk>. | |
* | |
* @param fieldValue The object to check. | |
* @param fieldName The name of the field. | |
* @throws IllegalArgumentException Constructed exception. | |
*/ | |
public static void assertFieldNotNull(Object fieldValue, String fieldName) throws IllegalArgumentException { | |
if (fieldValue == null) | |
throw new IllegalArgumentException("Field '"+fieldName+"' cannot be null."); | |
} | |
/** | |
* Throws an {@link IllegalArgumentException} if the specified field is <c><=0</c>. | |
* | |
* @param fieldValue The object to check. | |
* @param fieldName The name of the field. | |
* @throws IllegalArgumentException Constructed exception. | |
*/ | |
public static void assertFieldPositive(int fieldValue, String fieldName) throws IllegalArgumentException { | |
if (fieldValue <= 0) | |
throw new IllegalArgumentException("Field '"+fieldName+"' must be a positive integer."); | |
} | |
/** | |
* Shortcut for calling <code><jk>new</jk> IllegalArgumentException(MessageFormat.<jsm>format</jsm>(msg, args));</code> | |
* | |
* @param msg The message of the IllegalArgumentException. | |
* @param args Optional {@link MessageFormat}-style arguments. | |
* @throws IllegalArgumentException Constructed exception. | |
*/ | |
public static void illegalArg(String msg, Object...args) throws IllegalArgumentException { | |
throw new FormattedIllegalArgumentException(msg, args); | |
} | |
/** | |
* Throws an exception if the specified thread ID is not the same as the current thread. | |
* | |
* @param threadId The ID of the thread to compare against. | |
* @param msg The message of the IllegalStateException. | |
* @param args Optional {@link MessageFormat}-style arguments. | |
* @throws IllegalStateException Constructed exception. | |
*/ | |
public static void assertSameThread(long threadId, String msg, Object...args) throws IllegalStateException { | |
if (Thread.currentThread().getId() != threadId) | |
throw new FormattedIllegalArgumentException(msg, args); | |
} | |
} |